1255031427 has 16 divisors (see below), whose sum is σ = 1802856608. Its totient is φ = 772001280.

The previous prime is 1255031423. The next prime is 1255031447. The reversal of 1255031427 is 7241305521.

It is not a de Polignac number, because 1255031427 - 2² = 1255031423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255031394 and 1255031403.

It is not an unprimeable number, because it can be changed into a prime (1255031423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114123 + ... + 124635.

It is an arithmetic number, because the mean of its divisors is an integer number (112678538).

Almost surely, 2^1255031427 is an apocalyptic number.

1255031427 is a deficient number, since it is larger than the sum of its proper divisors (547825181).

1255031427 is a wasteful number, since it uses less digits than its factorization.

1255031427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13590.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1255031427 is about 35426.4227237242. The cubic root of 1255031427 is about 1078.6607275875.

Adding to 1255031427 its reverse (7241305521), we get a palindrome (8496336948).

The spelling of 1255031427 in words is "one billion, two hundred fifty-five million, thirty-one thousand, four hundred twenty-seven".